By Duncan Graham-Rowe, Technology Review
Researchers in Germany have developed the world’s thinnest “pico” video projector. The prototype device contains an array of carefully shaped microlenses, each with its own miniature liquid-crystal display (LCD). The device is just six millimeters thick, but it produces images that are 10 times brighter than would normally be possible with such a small device. Handheld pico projectors can be used to display movies, maps, or presentations on nearby surfaces
http://technologyreview.com/computing/27127/?p1=MstRcnt
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